*{
	margin:0;
	padding:0;
}
html,body{
	width:100%;
	height:100%;
	overflow:hidden;
}
.main{
	margin:auto;
	width:480px;
	height:100%;
	background:url(images/bg.jpg) repeat-y;
	background-position-y : 0px;
}
.options{
	position:absolute;
	list-style:none;
	margin:auto;
	left:0;
	right:0;
	top:100px;
	width:200px;
	height:300px;
}
.options li{
	border-radius:5px;
	box-shadow:0 0 2px 1px black;
	float:left;
	width:200px;
	height:75px;
	text-align:center;
	line-height:75px;
	margin-bottom:20px;
	background:#f40;
	font:"微软雅黑";
	color:white;
	font-size:28px;
	cursor:pointer;
}
.logo{
	position:absolute;
	left:0;
	right:0;
	top:25%;
	margin:auto;
	width:428px;
	height:104px;
	background:url(images/logo.png) no-repeat;
}
.loading{
	position:absolute;
	left:0;
	right:0;
	top:60%;
	margin:auto;
	width:192px;
	height:41px;
	background:url(images/loading1.png) no-repeat;
}
.my-warplain{
	position:absolute;
	width:98px;
	height:122px;
	background:url(images/me.png) no-repeat;
	cursor:none;
}
.bullet{
	position:absolute;
	width:7px;
	height:18px;
	background:url(images/bullet.png) no-repeat;
}
.bullet-die{
	position:absolute;
	width:41px;
	height:39px;
	background:url(images/die1.png) no-repeat;
	margin-left:-18px;
}
.enemy-small{
	position:absolute;
	width:59px;
	height:36px;
	z-index:1;
	background:url(images/plane1.png) no-repeat;
}
.enemy-middle{
	position:absolute;
	width:70px;
	height:92px;
	background:url(images/plane2.png) no-repeat;
}
.enemy-large{
	position:absolute;
	width:165px;
	height:256px;
	background:url(images/plane3.png) no-repeat;
}
